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Finding the Fourth Proportional to 60,655.59, 91,048.08 and 53,679.97

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Solution

The fourth proportional to 60,655.59, 91,048.08 and 53,679.97 is: 80,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.59 : 91,048.08 = 53,679.97 : x
  2. Step 2: Convert to fraction form
    60,655.59/91,048.08 = 53,679.97/x
  3. Step 3: Cross multiply
    60,655.59x = 91,048.08 × 53,679.97
  4. Step 4: Simplify right side
    60,655.59x = 4,887,458,202.96
  5. Step 5: Solve for x
    x = 4,887,458,202.96/60,655.59
  6. Step 6: Final answer
    x = 80,577.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.